01474500 - Schuylkill River at Philadelphia, PA

NOTICE: With the exception of 01467200, calibration of water-quality instrumentation is conducted exclusively by Philadelphia Water Department personnel with USGS oversight. Erroneous or missing data, resulting from instrument malfunction, are not the responsibility of USGS.

October 1931 to current year. Records for January 1898 to December 1912, published in WSP 35, 48, 65, 82, 97, 125, 166, 202, 214, 261, 301, and 381 have been found to be unreliable and should not be used.

Gage:

Water-stage recorder and concrete control. Datum of gage is 5.74 ft above sea level. Prior to Nov. 25, 1956, water-stage recorder at site on right bank just upstream from Fairmount Dam at same datum. Nov. 26, 1956, to Oct. 6, 1966, water-stage recorder at

Remarks:

Flood of Oct. 4, 1869 reached a stage of 17.0 ft, discharge, 135,000 ft3/s, from rating extended above 46,000 ft3/s. Flood of Mar. 1, 1902 reached a stage of 14.8 ft, discharge, 98,000 ft3/s. Funding for the operation of this station is provided by the C